Environmental Science
Many wild plant and animals are on the verge of extinction due to

None of these
Climatic changes
Non availability of food
Habitat destruction

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Environmental Science
Lead poisoning

reduces O2 carrying capacity of myoglobin in muscles
reduces O2 carrying capacity of hemoglobin in blood
increases O2 carrying capacity of hemoglobin in blood
increases O2 carrying capacity of myoglobin in muscles

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